<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item
        label="栏目名称"
        prop="name"
      >
        <el-input
          v-model="queryParams.name"
          placeholder="请输入栏目名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item
        label="显示状态"
        prop="noticeType"
      >
        <el-select
          v-model="queryParams.status"
          placeholder="请选择显示状态"
          clearable
        >
          <el-option
            v-for="dict in dict.type.show_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
        >搜索</el-button>
        <el-button
          icon="el-icon-refresh"
          size="mini"
          @click="resetQuery"
        >重置</el-button>
      </el-form-item>
    </el-form>

    <el-row
      :gutter="10"
      class="mb8"
    >
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['model:column:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="columnList"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >

      <el-table-column
        label="栏目名称"
        align="center"
        prop="name"
      />
      <el-table-column
        label="栏目编码"
        align="center"
        prop="code"
      />
      <el-table-column
        prop="icon"
        label="栏目图标"
        align="center"
        width="100"
      >
        <template v-slot="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column
        label="显示状态"
        align="center"
        prop="status"
      >
        <template v-slot="scope">
          <dict-tag
            :options="dict.type.show_status"
            :value="scope.row.status"
          />
        </template>
      </el-table-column>
      <el-table-column
        label="排序"
        align="center"
        prop="sort"
      />
      <el-table-column
        label="是否允许评论"
        align="center"
        prop="isAllow"
      >
        <template v-slot="scope">
          <span v-if="scope.row.isAllow == '0'">不允许</span>
          <span v-else>允许</span>
        </template>
      </el-table-column>
      <el-table-column
        label="评论内容审核"
        align="center"
        prop="isAudit"
      >
        <template v-slot="scope">
          <span v-if="scope.row.isAudit == '0'">否</span>
          <span v-else>是</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template v-slot="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['model:column:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['model:column:add']"
          >新增子项</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['model:column:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改栏目对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="780px"
      append-to-body
      :close-on-click-modal="false"
    >
      <el-form
        ref="form"
        :model="form"
        :rules="rules"
        label-width="80px"
      >
        <el-row>
          <el-col :span="12">
            <el-form-item
              label="栏目名称"
              prop="name"
            >
              <el-input
                v-model="form.name"
                placeholder="请输入栏目名称"
                maxlength="20"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="栏目编码"
              prop="code"
            >
              <el-input
                v-model="form.code"
                placeholder="请输入栏目编码"
                maxlength="20"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="所属栏目"
              prop="parentId"
            >
              <treeselect
                v-model="form.parentId"
                :options="columnOptions"
                :normalizer="normalizer"
                placeholder="请选择所属栏目"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="显示状态"
              prop="status"
              style="height: 38px;"
            >
              <span slot="label">
                显示状态
              </span>
              <el-radio-group v-model="form.status">
                <el-radio label="0">显示</el-radio>
                <el-radio label="1">隐藏</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="排序"
              prop="sort"
            >
              <el-input-number
                v-model="form.sort"
                placeholder="请输入排序"
                controls-position="right"
                :min="0"
                :max="100"
                style="width:100%"
              ></el-input-number>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="栏目图标"
              prop="icon"
            >
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect
                  ref="iconSelect"
                  @selected="selected"
                />
                <el-input
                  slot="reference"
                  v-model="form.icon"
                  placeholder="点击选择图标"
                  readonly
                >
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    style="width: 25px;"
                  />
                  <i
                    v-else
                    slot="prefix"
                    class="el-icon-search el-input__icon"
                  />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="关键字"
              prop="keyword"
            >
              <el-input
                v-model="form.keyword"
                placeholder="请输入关键字"
                maxlength="50"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="栏目链接"
              prop="link"
            >
              <el-input
                v-model="form.link"
                placeholder="请输入栏目链接"
                maxlength="50"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="模板ID"
              prop="templateId"
            >
              <el-input
                v-model="form.templateId"
                placeholder="请输入模板ID"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="是否允许评论"
              prop="isAllow"
              label-width="100px"
            >
              <span slot="label">
                是否允许评论
              </span>
              <el-radio-group v-model="form.isAllow">
                <el-radio label="0">否</el-radio>
                <el-radio label="1">是</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item
              label="评论内容审核"
              prop="isAudit"
              label-width="100px"
            >
              <span slot="label">
                评论内容审核
              </span>
              <el-radio-group v-model="form.isAudit">
                <el-radio label="0">不允许</el-radio>
                <el-radio label="1">允许</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item
              label="描述"
              prop="remark"
            >
              <el-input
                v-model="form.remark"
                type="textarea"
                placeholder="请输入内容"
                rows="5"
              />
            </el-form-item>
          </el-col>

        </el-row>
      </el-form>
      <div
        slot="footer"
        class="dialog-footer"
      >
        <el-button
          type="primary"
          @click="submitForm"
        >确 定</el-button>
        <el-button @click="cancel" icon="el-icon-close">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listAllColumn,
  listColumn,
  getColumn,
  delColumn,
  addColumn,
  updateColumn,
} from "@/api/model/column";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";
export default {
  name: "Column",
  dicts: ["show_status"],
  components: {
    Treeselect,
    IconSelect,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 栏目表格数据
      columnList: [],
      // 栏目树选项
      columnOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        name: null,
        status: undefined,
      },
      // 表单参数
      form: {
        status: "0",
      },
      // 表单校验
      rules: {
        name: [
          { required: true, message: "栏目名称不能为空", trigger: "blur" },
        ],
        code: [
          { required: true, message: "栏目编码不能为空", trigger: "blur" },
        ],
        parentId: [
          { required: true, message: "请选择所属栏目", trigger: "blur" },
        ],
        icon: [{ required: true, message: "请选择栏目图标", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name;
    },
    /** 查询栏目列表 */
    getList() {
      this.loading = true;
      listColumn(this.queryParams).then((response) => {
        this.columnList = this.handleTree(response.data, "id", "parentId");
        // console.log(this.columnList,'this.columnList')
        this.loading = false;
      });
    },
    /** 转换栏目数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children,
      };
    },
    /** 查询栏目下拉树结构 */
    getTreeselect() {
      listColumn().then((response) => {
        this.columnOptions = [];
        const data = { id: 0, name: "顶级节点", children: [] };
        data.children = this.handleTree(response.data, "id", "parentId");
        this.columnOptions.push(data);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        parentId: null,
        ancestors: null,
        code: null,
        name: null,
        status: "0",
        sort: null,
        remark: null,
        icon: null,
        keyword: null,
        link: null,
        templateId: null,
        isAllow: "1",
        isAudit: "1",
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.queryParams.status = undefined;
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.id) {
        this.form.parentId = row.id;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "添加栏目";
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      if (row != null) {
        this.form.parentId = row.id;
      }
      getColumn(row.id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改栏目";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateColumn(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addColumn(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal
        .confirm('是否确认删除栏目名称为"' + row.name + '"的数据项？')
        .then(function () {
          return delColumn(row.id);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
  },
};
</script>
